Home / 148,918.85-205,537.90-88,477.85

Finding the Fourth Proportional to 148,918.85, 205,537.90 and 88,477.85

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Solution

The fourth proportional to 148,918.85, 205,537.90 and 88,477.85 is: 122,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,918.85 : 205,537.90 = 88,477.85 : x
  2. Step 2: Convert to fraction form
    148,918.85/205,537.90 = 88,477.85/x
  3. Step 3: Cross multiply
    148,918.85x = 205,537.90 × 88,477.85
  4. Step 4: Simplify right side
    148,918.85x = 18,185,551,695.22
  5. Step 5: Solve for x
    x = 18,185,551,695.22/148,918.85
  6. Step 6: Final answer
    x = 122,117.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.